BPM 및 키 찾기
스펙트럴 분석기
DSP 엔진: v2.4⚡ 브라우저 전용 멀티밴드 특징 추출 및 크로마 분석
카멜롯 휠
하모닉 믹싱은 트랙 키를 맞춰 매끄러운 전환을 만듭니다.
같은 키예: 8A → 8A (완벽한 블렌드)
에너지 부스트시계 방향 +1: 예 8A → 9A
에너지 드롭반시계 방향 -1: 예 8A → 7A
크로스 모드A ↔ B: 예 8A ↔ 8B
ABOUT THIS TOOL
Free Online BPM & Key Finder for DJs and Producers
Detect tempo (BPM), musical key, and Camelot notation from any audio file — entirely in your browser. Built for harmonic mixing prep: find compatible keys and tempos before your next set or production session.
How it works
- 01Upload an audio file (MP3, WAV, FLAC, AAC, OGG) or pick one from Library after sign-in.
- 02Essentia.js analyzes beat onsets and chromagram in WebAssembly — BPM (with half/double toggle) and key appear in seconds.
- 03Use the Camelot mixing guide to plan harmonically compatible transitions with adjacent wheel codes.
Key features
- Browser-local analysis — your audio stays on your device
- BPM detection with half/double tempo correction
- Musical key plus Camelot (Open Key) notation
- Harmonic mixing cheat sheet for DJ transitions
Common questions
Musictool uses Essentia.js — the same MIR algorithms used in research and production tools, compiled to WebAssembly. Most commercial tracks return stable BPM and key; live recordings or heavily processed audio may need manual half/double BPM adjustment.